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IBM ThinkPad A22m 2628 Hardware Maintenance Manual: Fru Tests

Lenovo thinkpad a22m 2628: hardware guide.
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FRU tests

The following table shows the test for each FRU.
FRU
System board
Power
LCD unit
Modem
Audio
Speaker
PC Card slots
Keyboard
TrackPoint or
pointing device
Hard-disk drive
Diskette drive
(continued)
44
ThinkPad A22m wireless models
Applicable test
1. Diagnostics --> CPU/Coprocessor
2. Diagnostics --> Systemboard
Diagnostics --> Other Devices --> IBM AC
Adapter, IBM Battery 1 (IBM Battery 2)
1. Diagnostics --> Video Adapter
2. Interactive Tests --> Video
1. Make sure the modem is set up correctly.
2. Replace the modem jack and the modem
card in turn, and run the following test in
Diagnostics --> Communication:
a. Lucent Modem (M2) Loopback
b. Lucent Modem (M2) Dialtone/DTM
c. Intel Modem Register
d. Intel Modem Loopback/DTMF
e. Intel SP Modem Register
f. Intel SP Modem Loopback/DTMF
g. 3Com MiniPCI Modem Test
h. 3Com MiniPCI Dialtone Test
1. Interactive Tests --> Internal Speaker
2. Diagnostics --> Other Devices --> Crystal
SoundFusion
Interactive Tests --> Internal Speaker
Diagnostics --> Systemboard --> PCMCIA,
PCMCIA External Loop
1. Diagnostics --> Systemboard -->
Keyboard
2. Interactive Tests --> Keyboard
If the TrackPoint does not work, check the
configuration in the ThinkPad Configuration
program. If the TrackPoint is disabled, select
Enable to enable it.
After you use the TrackPoint, the pointer may
drift on the screen for a short time. This drift
can occur when a slight, steady pressure is
applied to the TrackPoint pointer. This symptom
is not a hardware problem. If the pointer stops
after a short time, no service action is
necessary.
If enabling the TrackPoint does not correct the
problem, continue with the following:
v Interactive Tests --> Mouse
Diagnostics --> Fixed Disks
1. Diagnostics --> Diskette Drives
2. Interactive Tests -->Diskette
Test
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